Finding the Fourth Proportional to 22,545.82, 31,112.94 and 12,473.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,545.82 : 31,112.94 = 12,473.47 : x
2. Step 2: Convert to fraction form
   22,545.82/31,112.94 = 12,473.47/x
3. Step 3: Cross multiply
   22,545.82x = 31,112.94 × 12,473.47
4. Step 4: Simplify right side
   22,545.82x = 388,086,323.70
5. Step 5: Solve for x
   x = 388,086,323.70/22,545.82
6. Step 6: Final answer
   x = 17,213.23